A method for drying gases and a device applied thereby

A drying and equipment technology, applied in the field of dry gas, which can solve the problems of inability to be dried and low regeneration efficiency

Active Publication Date: 2009-03-04
ATLAS COPCO AIRPOWER NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The disadvantage of this known method is that the regeneration can only be performed efficiently when the load on the dryer is relatively high, more specifically when the compressor produces a considerable amount of compressed gas to be dried by the dryer
[0006] However, at low loads, regeneration according to known methods is inefficient, with the result that the gas to be dried cannot be dried to the required dew point

Method used

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  • A method for drying gases and a device applied thereby

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Embodiment Construction

[0013] As shown in the figure, the plant for drying the gas is connected to a compressor 1 and consists essentially of a dryer 2 of the type described in BE 1,005,764 and which comprises a drying zone 4 and a regeneration zone 5 The pressure vessel 3 , and the rotating body 6 constituted by circular drying elements 7 in which adsorption and / or absorption media 8 are arranged alternately through drying zones 4 and regeneration zones 5 .

[0014] Furthermore, the dryer 2 comprises a main duct 9 connecting the dryer 2 to the outlet of the compressor 1 and which opens in a mixing device 10 whose outlet is connected to the inlet of the above-mentioned drying zone 4, And in this case, the main pipeline is integrally integrated in the pressure vessel 3 ; the outlet pipe 11 connects the outlet of the drying zone 4 to the consumer network 12 , whereby the outlet pipe 11 and the consumer network 12 are separated by a check valve 13 and a second conduit 14 connecting the outlet of the co...

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Abstract

Method for drying a gas from a compressor (1) by means of a drier (2) of the type which consists of a pressure tank (3) with a drying zone (4) and a regeneration zone (5), with a rotor (6) which is composed of a drying element (7) in which has been provided an adsorption and / or absorption medium (8) which is alternately put through the drying zone (4) and the regeneration zone (5), characterised in that at a low load or zero load, the inlet of the regeneration zone (5) is connected to the user network (12) via a regeneration pipe (27), and in that the outlet of the regeneration zone (5) is connected to the atmosphere.

Description

technical field [0001] The present invention relates to a method of drying gas, more particularly gas from a compressor. Background technique [0002] It is known to dry gas from a compressor by first cooling it and then directing it through an adsorption and / or absorption medium. [0003] With this known method, it is also known to alternately introduce the adsorption and / or absorption medium into the drier through a so-called drying zone and a so-called regeneration zone, whereby the adsorption and / or absorption medium is in the regeneration zone was regenerated. [0004] For this purpose, according to known methods, part of the gas which is guided to be dried is not cooled first, but is used for an adsorption and / or absorption medium in the regeneration zone, whereby it can absorb moisture. [0005] A disadvantage of this known method is that the regeneration can only be performed efficiently when the load on the dryer is relatively high, more specifically when the comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/26F04B39/16
CPCB01D53/261Y10S55/17B01D53/26
Inventor B·E·A·万德斯特拉滕B·P·K·范霍维
Owner ATLAS COPCO AIRPOWER NV
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